How Necessary Is Soap for Removing Salt from Your Hands

question 115

Multiple Choice

How necessary is soap for removing salt from your hands?

• A)Soap is necessary because it has both a polar and nonpolar end to interact with the positive and negative ions in the salt.
• B)Soap is necessary because it creates a film on the surface of your skin,shielding it from interacting with the ionic charges of the salt.
• C)Soap is not at all necessary for removing salt from your hands.The strong ion-dipole interactions between fresh water and the salt are most sufficient to lift the salt away from your hands.
• D)Soap is not necessary because there are no electrical charges on the skin of your hands for the salt to interact with.

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